820800874 has 8 divisors (see below), whose sum is σ = 1296001440. Its totient is φ = 388800396.

The previous prime is 820800829. The next prime is 820800881. The reversal of 820800874 is 478008028.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10799974 + ... + 10800049.

It is an arithmetic number, because the mean of its divisors is an integer number (162000180).

Almost surely, 2^820800874 is an apocalyptic number.

820800874 is a deficient number, since it is larger than the sum of its proper divisors (475200566).

820800874 is a wasteful number, since it uses less digits than its factorization.

820800874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21600044.

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 820800874 is about 28649.6225804111. The cubic root of 820800874 is about 936.2947827513.

The spelling of 820800874 in words is "eight hundred twenty million, eight hundred thousand, eight hundred seventy-four".